Fix flaky tests. Bug: 292029376 Fixes: 292029376 Test: atest android.appsecurity.cts.SplitTests Merged-In: I5ad928aa05f2f9a0c2772b5398c1dabbcf8b6fbf Change-Id: I5ad928aa05f2f9a0c2772b5398c1dabbcf8b6fbf (cherry picked from commit 18e98ddb59eabfdab8f4de53e3b98407514cf814)